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cxgbe(4): Accurate statistics for all chip settings.

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There are 4 independent knobs in T5+ chips to include or exclude PAUSE
frames from the "total frames" and "multicast frames" counters in either
direction.  This change lets the driver deal with any combination of
these settings.
This commit is contained in:
Navdeep Parhar 2016-10-28 23:01:11 +00:00
parent aee4341421
commit 041e5aed63
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=308066
1 changed files with 14 additions and 8 deletions
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22
sys/dev/cxgbe/common/t4_hw.c
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@ -5870,10 +5870,13 @@ void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
p->tx_ppp6 = GET_STAT(TX_PORT_PPP6);
p->tx_ppp7 = GET_STAT(TX_PORT_PPP7);
if (stat_ctl & F_COUNTPAUSESTATTX) {
p->tx_frames -= p->tx_pause;
p->tx_octets -= p->tx_pause * 64;
p->tx_mcast_frames -= p->tx_pause;
if (chip_id(adap) >= CHELSIO_T5) {
if (stat_ctl & F_COUNTPAUSESTATTX) {
p->tx_frames -= p->tx_pause;
p->tx_octets -= p->tx_pause * 64;
}
if (stat_ctl & F_COUNTPAUSEMCTX)
p->tx_mcast_frames -= p->tx_pause;
}
p->rx_pause = GET_STAT(RX_PORT_PAUSE);
@ -5904,10 +5907,13 @@ void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
p->rx_ppp6 = GET_STAT(RX_PORT_PPP6);
p->rx_ppp7 = GET_STAT(RX_PORT_PPP7);
if (stat_ctl & F_COUNTPAUSESTATRX) {
p->rx_frames -= p->rx_pause;
p->rx_octets -= p->rx_pause * 64;
p->rx_mcast_frames -= p->rx_pause;
if (chip_id(adap) >= CHELSIO_T5) {
if (stat_ctl & F_COUNTPAUSESTATRX) {
p->rx_frames -= p->rx_pause;
p->rx_octets -= p->rx_pause * 64;
}
if (stat_ctl & F_COUNTPAUSEMCRX)
p->rx_mcast_frames -= p->rx_pause;
}
p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0;